TREA

Yaohua Hu

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  • Xianyang, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Curved groove ball bearing without retainer
    • Patent number 10,895,281
    • Issue date Jan 19, 2021
    • NORTHWEST A&F UNIVERSITY
    • Kangquan Guo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Curved trench ball bearing
    • Patent number 9,970,484
    • Issue date May 15, 2018
    • Kangquan Guo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    CURVED GROOVE BALL BEARING WITHOUT RETAINER
    • Publication number 20200224715
    • Publication date Jul 16, 2020
    • NORTHWEST A&F UNIVERSITY
    • Kangquan GUO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CURVED TRENCH BALL BEARING
    • Publication number 20160123395
    • Publication date May 5, 2016
    • NORTHWEST A & F UNIVERSITY
    • Kangquan Guo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...